« Volver al listado

CVE-2026-20435

Estado: AnalizadaMedia (4.6)—

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (5)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-20435",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20435",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-02T13:35:00.235194Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.6,
          "attackVector": "PHYSICAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@mediatek.com",
      "affectedData": [
        {
          "vendor": "MediaTek, Inc.",
          "product": "MediaTek chipset",
          "versions": [
            {
              "status": "affected",
              "version": "MT2737"
            },
            {
              "status": "affected",
              "version": "MT6739"
            },
            {
              "status": "affected",
              "version": "MT6761"
            },
            {
              "status": "affected",
              "version": "MT6765"
            },
            {
              "status": "affected",
              "version": "MT6768"
            },
            {
              "status": "affected",
              "version": "MT6781"
            },
            {
              "status": "affected",
              "version": "MT6789"
            },
            {
              "status": "affected",
              "version": "MT6813"
            },
            {
              "status": "affected",
              "version": "MT6833"
            },
            {
              "status": "affected",
              "version": "MT6853"
            },
            {
              "status": "affected",
              "version": "MT6855"
            },
            {
              "status": "affected",
              "version": "MT6877"
            },
            {
              "status": "affected",
              "version": "MT6878"
            },
            {
              "status": "affected",
              "version": "MT6879"
            },
            {
              "status": "affected",
              "version": "MT6880"
            },
            {
              "status": "affected",
              "version": "MT6885"
            },
            {
              "status": "affected",
              "version": "MT6886"
            },
            {
              "status": "affected",
              "version": "MT6890"
            },
            {
              "status": "affected",
              "version": "MT6893"
            },
            {
              "status": "affected",
              "version": "MT6895"
            },
            {
              "status": "affected",
              "version": "MT6897"
            },
            {
              "status": "affected",
              "version": "MT6983"
            },
            {
              "status": "affected",
              "version": "MT6985"
            },
            {
              "status": "affected",
              "version": "MT6989"
            },
            {
              "status": "affected",
              "version": "MT6990"
            },
            {
              "status": "affected",
              "version": "MT6993"
            },
            {
              "status": "affected",
              "version": "MT8169"
            },
            {
              "status": "affected",
              "version": "MT8186"
            },
            {
              "status": "affected",
              "version": "MT8188"
            },
            {
              "status": "affected",
              "version": "MT8370"
            },
            {
              "status": "affected",
              "version": "MT8390"
            },
            {
              "status": "affected",
              "version": "MT8676"
            },
            {
              "status": "affected",
              "version": "MT8678"
            },
            {
              "status": "affected",
              "version": "MT8696"
            },
            {
              "status": "affected",
              "version": "MT8793"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-02T09:16:16.600",
  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/March-2026",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@mediatek.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@mediatek.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118."
    },
    {
      "lang": "es",
      "value": "En el preloader, existe una posible lectura de identificadores únicos del dispositivo debido a un error de lógica. Esto podría llevar a una revelación de información local, si un atacante tiene acceso físico al dispositivo, sin necesidad de privilegios de ejecución adicionales. No se necesita interacción del usuario para la explotación. ID del parche: ALPS10607099; ID del problema: MSV-6118."
    }
  ],
  "lastModified": "2026-06-17T10:17:26.567",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "437D8F9D-67DF-47A5-9C96-5B51D1562951"
            },
            {
              "criteria": "cpe:2.3:a:rdkcentral:rdk-b:2022q3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A1488152-CC93-40DF-8D1F-BF33DC8444FF"
            },
            {
              "criteria": "cpe:2.3:a:rdkcentral:rdk-b:2024q1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CB397DA1-62B3-48FD-B694-9FDA4DA25EDE"
            },
            {
              "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"
            },
            {
              "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"
            },
            {
              "criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"
            },
            {
              "criteria": "cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0133207-2EED-4625-854F-8DB7770D5BF7"
            },
            {
              "criteria": "cpe:2.3:o:openwrt:openwrt:23.05.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "00113669-2850-4F0C-913A-92CA5290746E"
            },
            {
              "criteria": "cpe:2.3:o:zephyrproject:zephyr:3.7.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8FA9F6FC-E722-428B-BB01-E9082DBF9A32"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9C2A1118-B5F7-4EF5-B329-0887B5F3430E"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7FA8A390-9F52-4CF3-9B45-936CE3E2B828"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F726F486-A86F-4215-AD93-7A07A071844A"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "06CD97E1-8A76-48B4-9780-9698EF5A960F"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "8B9B0D82-82C1-4A77-A016-329B99C45F49"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "66F9EAE4-F1D7-46DB-AA2A-0290F6EF0501"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9814939B-F05E-4870-90C0-7C0F6BAAEB39"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "89AFEE24-7AAD-4EDB-8C3E-EDBA3240730A"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "68CF4A7A-3136-4C4C-A795-81323896BE11"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "AF3E2B84-DAFE-4E11-B23B-026F719475F5"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "171D1C08-F055-44C0-913C-AA2B73AF5B72"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "EA72CCD1-DEA2-48EB-8781-04CFDD41AAEE"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "AD7DE6B2-66D9-4A3E-B15F-D56505559255"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "1A76806D-A4E3-466A-90CB-E9FFE478E7A0"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "57E92BE0-5E65-4770-8E1A-0E5D07A38164"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8169:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E5375050-4568-4919-BFE3-A72E1C7E65A2"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E4932D34-06F4-49D7-81FB-772A82E8A5B5"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "BA3D4A45-38EE-4125-AE67-89D1C707F95A"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "DA2B6BB9-7544-41A7-BF3A-344AA4CC4B31"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "B774B7D7-B7DD-43A0-833F-7E39DF82CA60"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8696:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "26573298-76BC-49FE-8D99-CF03ED01B185"
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@mediatek.com"
}